Ceneri Base Tunnel

Canton of Ticino, Switzerland

The Ceneri Base Tunnel consists of two single-track tubes around 40 metres apart, which are linked to each other every 325 metres by cross-passages.

Main info

With the 15.4-kilometres-long base tunnel under the Ceneri will the continuous flat route from Altdorf to Lugano become reality. Excavation process using the drill and blast method, safety measures, moisture-proofing, drainage system, final lining, interior fittings, cables layout and raw construction infrastructures.